Update Program.cs

Lottery/Lottery/Program.cs

-using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -51,7 +50,7 @@ namespace Lottery
                     //其他方式：可在下方对NewGrade属性进行操作
                     persons[j].NewGrade += (randoms[j] +
                                         (Math.Abs(persons[j].GetHashCode() << 1) % persons.Count) +
-                                        persons[randoms[j] - 1].OldGrade);
+                                        persons[randoms[j] - 1].NewGrade);
 
                     if (i == 3 && persons[j].BaseGrade > 0)
                     {